package com.itheima.d3_util;
import java.util.Random;

/**
   登录界面 : 随机产生4位验证码
 */
public class LoginDemo {
    public static void main(String[] args) {

        System.out.println("哇威威阿文饿");
       //RegisterDemo registerDemo=new RegisterDemo();
        System.out.println("开始登录"+RegisterDemo.registerCode(4));
        System.out.println("开始注册"+RegisterDemo.registerCode(5));
    }
}
